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Finding the Fourth Proportional to 78,082.82, 107,754.88 and 42,273.44

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Solution

The fourth proportional to 78,082.82, 107,754.88 and 42,273.44 is: 58,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,082.82 : 107,754.88 = 42,273.44 : x
  2. Step 2: Convert to fraction form
    78,082.82/107,754.88 = 42,273.44/x
  3. Step 3: Cross multiply
    78,082.82x = 107,754.88 × 42,273.44
  4. Step 4: Simplify right side
    78,082.82x = 4,555,168,915.61
  5. Step 5: Solve for x
    x = 4,555,168,915.61/78,082.82
  6. Step 6: Final answer
    x = 58,337.66

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